Add Superblocks to list of companies using the lib (#191)

- Added Superblocks as a company using this amazing library

Co-authored-by: Jamie Kyle <[email protected]>

Author: javier-tarazaga

README.md

@@ -72,6 +72,7 @@ export default class App extends React.Component {
 - [Shift](https://shift.com)
 - [Snipit](https://snipit.io)
 - [Spectrum.chat](https://spectrum.chat)
+- [Superblocks](https://superblocks.com)
 - [Sprint Boards](https://sprintboards.io)
 - [Talentpair](https://talentpair.com)
 - [Tinder](https://tinder.com/)